Full Stack Developer (RoR+React)

Senior Full Stack Developer (Ruby on Rails / React)

We are looking for a Senior Full Stack Developer who wants to have a real impact on the architecture, code quality, and development direction of applications built with Ruby on Rails and React. We work in a small, experienced team where technical decisions are made close to the code.

Backend: Ruby on Rails, Ruby, PostgreSQL, Redis, REST, GraphQL

Infrastructure: Heroku, GitHub Actions

Testing: RSpec

Responsibilities:

• Design, develop, and maintain web applications (frontend & backend)
• Independently deliver complex tickets (features, bug fixes, refactoring)
• Take ownership of selected components and system areas
• Ensure code quality: automated tests (RSpec), code reviews
• Collaborate with Product Managers and the Customer Success team
• Mentor junior developers and support onboarding
• Participate in 2nd level support on a rotational basis

Requirements:

• Minimum 3–5 years of commercial experience as a Full Stack Developer
• Very good knowledge of Ruby on Rails and React
• Experience working with SQL / PostgreSQL
• Comfortable working with Git
• Ability to independently solve problems and make technical decisions
• Experience with code reviews and maintaining high code quality
• Proactive attitude and strong team communication skills
• Knowledge of English sufficient for day-to-day team collaboration (B2/C1)
• Knowledge of German sufficient for day-to-day team collaboration (B2/C1)

Nice to have:

• Knowledge of GraphQL, Redis, Sidekiq
• Experience with CI/CD (e.g. GitHub Actions)
• Experience in e-commerce / Shopify / SaaS

Recruitment Process Stages:

• First introductory meeting – HR Screen
• Meeting with lead developers
• Case Study – preparation of a technical task
• Case Study Presentation
• Meeting with the rest of the team

Working conditions:

Work mode: 100% remote, but we have an office in Bochum and a co-working space in Berlin that can be used if needed.

Core hours: 9:00–15:0 (CET)

Daily stand-up: 9:15